A typical hotel corridor has a dimension of 70' x 8' x 5' (LXHXW) with a ventilation rate of 12 air changes per hour. During the fire, the fire floor maintains supply and exhaust air well- balanced. By using the concept of Pressure- Sandwich system design, how much airflow (CFM) is adequate for the corridors above and below the fire corridor if we need to keep their positive pressure of 12 air change per hour. 

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In a PressureSandwich Design System following process is used to maintain the ventilation of the flo... View the full answer